diff options
Diffstat (limited to 'drivers/issi/is31fl3737.c')
| -rw-r--r-- | drivers/issi/is31fl3737.c | 54 |
1 files changed, 29 insertions, 25 deletions
diff --git a/drivers/issi/is31fl3737.c b/drivers/issi/is31fl3737.c index 8647c93cc1..30906b4840 100644 --- a/drivers/issi/is31fl3737.c +++ b/drivers/issi/is31fl3737.c @@ -19,6 +19,7 @@ #include "is31fl3737.h" #include "i2c_master.h" #include "wait.h" +#include "progmem.h" // This is a 7-bit address, that gets left-shifted and bit 0 // set to 0 for write, 1 for read (as per I2C protocol) @@ -65,11 +66,12 @@ uint8_t g_twi_transfer_buffer[20]; // We could optimize this and take out the unused registers from these // buffers and the transfers in IS31FL3737_write_pwm_buffer() but it's // probably not worth the extra complexity. + uint8_t g_pwm_buffer[DRIVER_COUNT][192]; -bool g_pwm_buffer_update_required = false; +bool g_pwm_buffer_update_required[DRIVER_COUNT] = {false}; -uint8_t g_led_control_registers[DRIVER_COUNT][24] = {{0}}; -bool g_led_control_registers_update_required = false; +uint8_t g_led_control_registers[DRIVER_COUNT][24] = {0}; +bool g_led_control_registers_update_required[DRIVER_COUNT] = {false}; void IS31FL3737_write_register(uint8_t addr, uint8_t reg, uint8_t data) { g_twi_transfer_buffer[0] = reg; @@ -153,12 +155,14 @@ void IS31FL3737_init(uint8_t addr) { void IS31FL3737_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) { if (index >= 0 && index < DRIVER_LED_TOTAL) { - is31_led led = g_is31_leds[index]; - - g_pwm_buffer[led.driver][led.r] = red; - g_pwm_buffer[led.driver][led.g] = green; - g_pwm_buffer[led.driver][led.b] = blue; - g_pwm_buffer_update_required = true; + // copy the led config from progmem to SRAM + is31_led led; + memcpy_P(&led, (&g_is31_leds[index]), sizeof(led)); + + g_pwm_buffer[led.driver][led.r] = red; + g_pwm_buffer[led.driver][led.g] = green; + g_pwm_buffer[led.driver][led.b] = blue; + g_pwm_buffer_update_required[led.driver] = true; } } @@ -169,7 +173,9 @@ void IS31FL3737_set_color_all(uint8_t red, uint8_t green, uint8_t blue) { } void IS31FL3737_set_led_control_register(uint8_t index, bool red, bool green, bool blue) { - is31_led led = g_is31_leds[index]; + // copy the led config from progmem to SRAM + is31_led led; + memcpy_P(&led, (&g_is31_leds[index]), sizeof(led)); uint8_t control_register_r = led.r / 8; uint8_t control_register_g = led.g / 8; @@ -194,30 +200,28 @@ void IS31FL3737_set_led_control_register(uint8_t index, bool red, bool green, bo g_led_control_registers[led.driver][control_register_b] &= ~(1 << bit_b); } - g_led_control_registers_update_required = true; + g_led_control_registers_update_required[led.driver] = true; } -void IS31FL3737_update_pwm_buffers(uint8_t addr1, uint8_t addr2) { - if (g_pwm_buffer_update_required) { +void IS31FL3737_update_pwm_buffers(uint8_t addr, uint8_t index) { + if (g_pwm_buffer_update_required[index]) { // Firstly we need to unlock the command register and select PG1 - IS31FL3737_write_register(addr1, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); - IS31FL3737_write_register(addr1, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM); + IS31FL3737_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); + IS31FL3737_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM); - IS31FL3737_write_pwm_buffer(addr1, g_pwm_buffer[0]); - // IS31FL3737_write_pwm_buffer(addr2, g_pwm_buffer[1]); + IS31FL3737_write_pwm_buffer(addr, g_pwm_buffer[index]); } - g_pwm_buffer_update_required = false; + g_pwm_buffer_update_required[index] = false; } -void IS31FL3737_update_led_control_registers(uint8_t addr1, uint8_t addr2) { - if (g_led_control_registers_update_required) { +void IS31FL3737_update_led_control_registers(uint8_t addr, uint8_t index) { + if (g_led_control_registers_update_required[index]) { // Firstly we need to unlock the command register and select PG0 - IS31FL3737_write_register(addr1, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); - IS31FL3737_write_register(addr1, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL); + IS31FL3737_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5); + IS31FL3737_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL); for (int i = 0; i < 24; i++) { - IS31FL3737_write_register(addr1, i, g_led_control_registers[0][i]); - // IS31FL3737_write_register(addr2, i, g_led_control_registers[1][i]); + IS31FL3737_write_register(addr, i, g_led_control_registers[index][i]); } - g_led_control_registers_update_required = false; } + g_led_control_registers_update_required[index] = false; } |